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$349+ Cheap flights from Illinois to Japan

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/22. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — FUK
feb. 4 — feb. 111
mar. 2/4
mar. 2/11
1 adult, Economy
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Cheap flight deals from Illinois to Japan

Discover tips and strategies to find the most affordable flight options for your journey from Illinois (USIL) to Japan (JP0). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated enero 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$719
(United Airlines)

One-way from

$349
(Mytrip)

Popular in

December

Cheapest in

October

Average price

$1,364

Good round-trip deal

$1,096 or less

Good one-way deal

$579 or less
Provider with most accurate pricing for Chicago (CHI)-Tokyo (TYO) flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Tokyo (TYO) flights.
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From Illinois to Japan
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One-way flight from Illinois to Japan
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Highest demand for flights based on searches. 4% potential increase in price ($66 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in January 2025
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Price to beat on a round-trip flight from Illinois to Japan.
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Price to beat on a one-way flight from Illinois to Japan.
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Find flight deals from Illinois to Japan

Cheapest flights from Illinois to Japan
Explore the most affordable flight options available from Illinois to Japan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on enero 30, 2025.

This United Airlines deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 2/258:20 amSTL - HND
2 stops21h 50mUnited Airlines
jue. 3/64:25 pmHND - STL
1 stop16h 28mUnited Airlines
Deal found 1/30$719
This Delta deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 2/85:29 pmSTL - HND
2 stops30h 06mDelta
vie. 2/215:20 pmHND - STL
1 stop14h 33mDelta
Deal found 1/30$720
This American Airlines deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 2/85:12 pmSTL - NRT
2 stops32h 28mAmerican Airlines
vie. 2/215:30 pmNRT - STL
1 stop20h 13mAmerican Airlines
Deal found 1/30$720
This United Airlines deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 2/82:55 pmSTL - NRT
1 stop33h 05mUnited Airlines
vie. 2/215:30 pmNRT - STL
1 stop14h 03mUnited Airlines
Deal found 1/30$721
This Justfly.com deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/46:15 amSTL - HND
1 stop19h 10mANA
jue. 9/1110:25 amHND - STL
1 stop20h 10mANA
Deal found 1/30$727
This Booking.com deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/76:15 amSTL - NRT
1 stop17h 55mANA
dom. 12/145:45 pmNRT - STL
1 stop37h 50mANA
Deal found 1/29$732
This American Airlines deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/37:15 amSTL - HND
1 stop17h 10mAmerican Airlines
vie. 11/76:00 pmHND - STL
1 stop15h 17mAmerican Airlines
Deal found 1/29$760
This Japan Airlines deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/237:35 amSTL - HND
1 stop17h 45mMultiple Airlines
sáb. 5/34:30 pmHND - STL
1 stop16h 59mMultiple Airlines
Deal found 1/29$780
This Ovago deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/217:15 amSTL - HND
1 stop20h 10mJapan Airlines
sáb. 12/612:50 pmHND - STL
2 stops26h 22mJapan Airlines
Deal found 1/29$797
This Hawaiian Airlines deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/67:00 amSTL - NRT
1 stop19h 00mHawaiian Airlines
mié. 11/126:25 pmNRT - STL
1 stop20h 31mHawaiian Airlines
Deal found 1/29$808
This Japan Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/215:26 amSTL - NRT
1 stop19h 04mMultiple Airlines
sáb. 12/66:30 pmNRT - STL
1 stop29h 13mMultiple Airlines
Deal found 1/28$817
This Air Canada deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/19:04 amORD - KIX
1 stop17h 21mAir Canada
mié. 10/156:05 pmKIX - ORD
2 stops28h 00mAir Canada
Deal found 1/28$826

Find flights from Illinois to Japan within your budget

Customize your flight search to find flights from Illinois to Japan that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated enero 30, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

mar. 2/25

8:20 am-9:10 pm

2 stops21h 50m

Tokyo Haneda

jue. 3/6

4:50 pm-11:33 pm

2 stops21h 43m

$719

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

sáb. 3/1

4:40 pm-2:35 pm

2 stops30h 55m

Tokyo Haneda

vie. 3/7

5:20 pm-10:17 pm

1 stop19h 57m

$720

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

lun. 2/17

5:10 am-3:40 pm

2 stops19h 30m

Tokyo Narita

mié. 2/26

6:10 pm-10:43 pm

2 stops19h 33m

$720

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

lun. 4/21

6:15 am-2:00 pm

1 stop17h 45m

Tokyo Narita

jue. 5/1

4:30 pm-9:01 pm

1 stop18h 31m

$727

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

mié. 4/23

7:35 am-3:20 pm

1 stop17h 45m

Tokyo Haneda

sáb. 5/3

4:30 pm-7:29 pm

1 stop16h 59m

$780

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

dom. 2/16

6:30 am-5:45 pm

1 stop20h 15m

Tokyo Haneda

lun. 2/24

6:20 pm-7:49 pm

1 stop16h 29m

$788

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

mar. 2/25

7:04 am-3:25 pm

1 stop17h 21m

Tokyo Haneda

dom. 3/2

8:55 pm-11:08 pm

2 stops41h 13m

$809

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

jue. 2/27

6:15 am-3:10 pm

1 stop17h 55m

Tokyo Narita

jue. 3/6

5:55 pm-3:16 pm

1 stop36h 21m

$824

ChicagoOsaka

ORD - KIX

ORDKIX

Chicago O'Hare Intl

lun. 3/10

4:45 pm-12:45 pm

2 stops30h 00m

Osaka Kansai Intl

lun. 3/17

8:30 am-4:45 am

2 stops34h 15m

$848

ChicagoTokyo

ORD - NRT

ORDNRT

Chicago O'Hare Intl

mar. 2/18

11:35 am-2:25 pm

1 stop35h 50m

Tokyo Narita

mié. 2/26

2:45 pm-5:28 am

1 stop29h 43m

$852

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/29

Showing 1-10 of 60 results
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Best time to book a flight from Illinois to Japan

Have a flexible travel schedule? Discover the best time to fly to Japan from Illinois with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Illinois to Japan

Get recent, data-driven insights about flights from Illinois to Japan including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Illinois to Japan?

Currently, February is the cheapest month in which you can book a flight from Illinois to Japan (average of $900). Flying from Illinois to Japan in December is currently the most expensive (average of $1,687). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IL to JP?

Find hourly flight availability from Illinois to Japan. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated enero 30, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Japan as you normally would.

Rainfall in Japan by month

Plan your trip to Japan by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Japan ranges from 2.0 - 8.3 inches per month. September is typically the wettest month, when rainfall can reach 8.3 in. January is typically the driest time to visit Japan when rainfall is around 2.0 in.

Temperature in Japan by month

Plan your trip to Japan by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Japan, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 42.8 F).

Reviews of airlines servicing Japan

Get insights into the airlines that provide service to Japan. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Japan. Reviews last updated enero 30, 2025.
Get a feel of what it's like to fly with Korean Air, EVA Air and ANA from Illinois to Japan by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.5
Very good
1,034 reviews

Overall

8.5

Boarding

8.5

Food

8.1

Comfort

8.3

Entertainment

8.2

Crew

8.7

Reviews

1 / 20

10.0
Excellent

David,Dec 2024

JFK - MCO

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Korean Air
8.5
Very good
1,034 reviews
Korean Air
8.5
Very good
1,034 reviews

Overall

8.5

Boarding

8.5

Food

8.1

Comfort

8.3

Entertainment

8.2

Crew

8.7

Reviews

1 / 20

10.0
Excellent

David,Dec 2024

JFK - MCO

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

EVA Air
8.4
Very good
1,238 reviews
Korean Air
8.5
Very good
1,034 reviews

Overall

8.5

Boarding

8.5

Food

8.1

Comfort

8.3

Entertainment

8.2

Crew

8.7

Reviews

1 / 20

10.0
Excellent

David,Dec 2024

JFK - MCO

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

ANA
8.4
Very good
844 reviews
Korean Air
8.5
Very good
1,034 reviews

Overall

8.5

Boarding

8.5

Food

8.1

Comfort

8.3

Entertainment

8.2

Crew

8.7

Reviews

1 / 20

10.0
Excellent

David,Dec 2024

JFK - MCO

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Japan Airlines
8.3
Very good
1,445 reviews
Korean Air
8.5
Very good
1,034 reviews

Overall

8.5

Boarding

8.5

Food

8.1

Comfort

8.3

Entertainment

8.2

Crew

8.7

Reviews

1 / 20

10.0
Excellent

David,Dec 2024

JFK - MCO

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Asiana Airlines
8.3
Very good
462 reviews
Korean Air
8.5
Very good
1,034 reviews

Overall

8.5

Boarding

8.5

Food

8.1

Comfort

8.3

Entertainment

8.2

Crew

8.7

Reviews

1 / 20

10.0
Excellent

David,Dec 2024

JFK - MCO

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Japan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines to fly from Illinois to Japan one-way?

    One-way options have recently been found by users for as low as $349 on Japan Airlines. Other airlines that offer cheap prices include ANA from $358 and American Airlines from $361 one-way.

  • Can I find deals for flights from Illinois to Japan that include hotel bookings?

    Yes. In addition to deals on Illinois to Japan flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Japan?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Japan.

  • Can I find deals for business class flights from Illinois to Japan?

    Yes. Cheapflights offers flight deals from Illinois to Japan by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Illinois to Japan?

    Currently, February is the cheapest month in which you can book a flight from Illinois to Japan (average of $900). Flying from Illinois to Japan in December is currently the most expensive (average of $1,687). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 9 airlines flying from Illinois to Japan

Discover the top 9 airlines that operate flights from Illinois to Japan. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated enero 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$218Average$1,543FlexibilityNo cancel feeOn-time71%
ZIPAIRCheapest$698Average$833FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$823Average$1,389FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$831Average$1,239FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$834Average$1,592FlexibilityNo cancel feeOn-time69%
Cathay PacificCheapest$860Average$968FlexibilityNo cancel feeOn-time72%
ANACheapest$984Average$1,617FlexibilityNo cancel feeOn-time80%
EVA AirCheapest$1,005Average$1,190FlexibilityNo cancel feeOn-time74%
Japan AirlinesCheapest$1,248Average$1,627FlexibilityNo cancel feeOn-time79%
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